There are so many options for cutting out your printable designs. You can use a paper trimmer for straight lines and scissors for more intricate objects. If you plan on creating party printables, get a 2” round hole punch for cupcake toppers and gift tags. It's a minimal investment that will save you hours of time, and your hands will thank you. Also, check out the hole punch aisle at your local craft store for more options.
In Illustrator, you can design patterns, complex graphics and work with type. You can learn to design printables fast with the Basic Printable Design Course from Printable Crush. Illustrator is a highly in-depth program, so taking a course is a quick way to learn the basics.